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fix RFC 2544 benchmarking range to 198.18.0.0/15 - #21

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fix RFC 2544 benchmarking range to 198.18.0.0/15#21
cpu wants to merge 2 commits into
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cpu:cpu-fix-typo

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@cpu cpu commented Jul 23, 2026

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RFC 2544 does list 192.18.0.0 as the lower range of the assigned network addresses, but this was a typo and should have been 198.18.0.0. See this errata: https://errata.rfc-editor.org/eid423/

The 169.254.0.0/16 network was also listed as a do-not-query-address twice, once on L58 and then again on L61 with an RFC 3927 citation. I removed the first and left the second.

Beyond these two fixes, it also looks like the config here might be missing some entries that I think at least Boulder is rejecting via the IANA special-purpose registry CSV data (https://github.com/letsencrypt/boulder/tree/main/iana). Presumably these networks are also in the prod Unbound configs (?):

  • the NAT64 prefixes
  • the deprecated 6to4 relay addresses , 2002::/16 (RFC 7526)
  • the updated 3fff::/20 IPv6 documentation space (RFC 9637)
  • the segment routing SID range 5f00::/16 (RFC 9602)

I haven't included those here but maybe it would be worth doing that if there's been drift between unboundtest & the prod configs.

cpu added 2 commits July 23, 2026 12:59
RFC 2544 does list 192.18.0.0 as the lower range of the assigned network
addresses, but this was a typo and should have been 198.18.0.0 to match
the upper end (198.19.255.255).

See this errata: https://errata.rfc-editor.org/eid423/
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